18815056

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{313}}^1$

素因数の和:368

約数の個数: 60

約数和(自身を含む): 41836732

約数和(自身を除く): 23021676

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 34, 52, 68, 104, 136, 208, 221, 272, 289, 313, 442, 578, 626, 884, 1156, 1252, 1768, 2312, 2504, 3536, 3757, 4069, 4624, 5008, 5321, 7514, 8138, 10642, 15028, 16276, 21284, 30056, 32552, 42568, 60112, 65104, 69173, 85136, 90457, 138346, 180914, 276692, 361828, 553384, 723656, 1106768, 1175941, 1447312, 2351882, 4703764, 9407528, 18815056]

約数ペア:

[(1, 18815056), (2, 9407528), (4, 4703764), (8, 2351882), (13, 1447312), (16, 1175941), (17, 1106768), (26, 723656), (34, 553384), (52, 361828), (68, 276692), (104, 180914), (136, 138346), (208, 90457), (221, 85136), (272, 69173), (289, 65104), (313, 60112), (442, 42568), (578, 32552), (626, 30056), (884, 21284), (1156, 16276), (1252, 15028), (1768, 10642), (2312, 8138), (2504, 7514), (3536, 5321), (3757, 5008), (4069, 4624)]